Update app.py

app.py

@@ -198,8 +198,8 @@ demo_css = """
     background-color: #0077c0;
 }
 .fixed_button_container {
-    padding: 0px;
-    margin: 0px 0 0 10px;
+    padding: -10px;
+    margin: 0px 0 0 0px;
 }
 #custom_row {
     width: 150% !important;